Patents Assigned to IHI Corporation
  • Centrifugal compressor
    Patent number: 11549521
    Abstract: Provided is a centrifugal compressor, including: a movable member which is movable between a first position and a second position, the first position being a position at which an opening degree of an auxiliary flow passage arranged more on an outer diameter side than a main flow passage becomes a first opening degree, the second position being a position at which an opening degree of the auxiliary flow passage becomes a second opening degree smaller than the first opening degree; and a linear actuator configured to drive the movable member in a rotation axis direction of the impeller.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: January 10, 2023
    Assignee: IHI Corporation
    Inventors: Yusei Yokoyama, Takashi Fujiwara, Wataru Ueda, Hiroshi Saito
  • ROTATION DEVICE
    Publication number: 20230006514
    Abstract: A rotation device includes a rotor; an inlet flow passage that guides a cooling medium toward the outside in a radial direction of the rotor; an axial flow passage that is connected to the inlet flow passage and guides the cooling medium along a rotation axis of the rotor; and an outlet flow passage that is connected to the axial flow passage and guides the cooling medium toward the inside in the radial direction of the rotor. In addition, an outlet of the outlet flow passage is provided on the outside in the radial direction of an inlet of the inlet flow passage in the rotor.
    Type: Application
    Filed: December 11, 2020
    Publication date: January 5, 2023
    Applicant: IHI Corporation
    Inventors: Tetsuyuki TERAUCHI, Yoshikazu SAKAMAKI
  • WIRELESS POWER TRANSFER FACILITY
    Publication number: 20230006474
    Abstract: A wireless power transfer facility includes: a power factor correction device that converts AC front-stage input power received from a commercial power source into DC front-stage output power and has a plurality of output terminals for outputting the front-stage output power; a plurality of inverters that are respectively connected to the output terminals of the power factor correction device and convert DC rear-stage input power including the DC front-stage output power received from the output terminals into AC rear-stage output power; a plurality of power transmission coils that are respectively connected to the plurality of inverters and receive the rear-stage output power; and a control device that performs control so that the front-stage input power output to the power factor correction device does not exceed allowable power of the commercial power source.
    Type: Application
    Filed: June 29, 2022
    Publication date: January 5, 2023
    Applicant: IHI Corporation
    Inventor: Koki NOTAKE
  • TiAl alloy member, method of manufacturing the same, and method of forging TiAl alloy member
    Patent number: 11542574
    Abstract: A TiAl alloy member for hot forging includes a substrate made of TiAl alloy, and an Al layer formed on a surface of the substrate, the Al layer containing Al as a main constituent and containing Ti.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: January 3, 2023
    Assignee: IHI Corporation
    Inventors: Keiji Kubushiro, Masanobu Baba, Yohei Sakakibara, Yutaro Ota
  • Microgrid power plan for optimizing energy performance resulting from proportional predictive demand
    Patent number: 11539213
    Abstract: The energy management system is an energy management system for a microgrid including at least either one of an electrical load and a renewable energy power-generation system, and an energy storage device, the energy management system including: a prediction unit that predicts, at a fixed time interval, at least either one of an electricity demand and an amount of electricity generated from renewable energy, and an electricity fee, within a predetermined period; and an optimization unit that performs optimization for an optimum charging/discharging plan for the energy storage device by using a prediction result from the prediction unit and in consideration of uncertainty in prediction.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: December 27, 2022
    Assignee: IHI Corporation
    Inventor: Yuji Koguma
  • OPERATION MANAGEMENT DEVICE FOR CHARGING FACILITY
    Publication number: 20220402397
    Abstract: An operation management device includes: an information acquisition unit configured to acquire information necessary for charging an on-vehicle battery of a vehicle entering a charging facility in which charging spaces coexist, power transmission devices having different amounts of transmission power being installed in the charging spaces; and an optimization unit configured to optimize a charging schedule for increasing a charge amount of the on-vehicle battery to a target charging level by charging with an available power transmission device in the charging spaces based on the acquired information so that power consumption in the charging facility is suppressed to a maximum allowable power amount or less.
    Type: Application
    Filed: August 23, 2022
    Publication date: December 22, 2022
    Applicant: IHI Corporation
    Inventor: Kenji NISHIMURA
  • Rotating body, turbocharger, and rotating body manufacturing method
    Patent number: 11530706
    Abstract: Provided is a rotating body, including: a shaft; and a compressor impeller including: a main body having an insertion hole, which extends from one end to another end side and is configured to receive the shaft inserted therethrough; a boss portion formed at one end side of the main body; and a joint portion, which is formed on an inner peripheral surface of the insertion hole at the boss portion and is welded to the shaft.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: December 20, 2022
    Assignee: IHI Corporation
    Inventors: Kenichi Segawa, Akitada Narimatsu
  • FOREIGN MATTER DETECTION DEVICE AND POWER TRANSMISSION DEVICE
    Publication number: 20220396158
    Abstract: A foreign object detection device detects, during wireless power transfer from a power transmission unit of a power transmission device to a power reception unit of a power reception device, a foreign object on the power transmission unit, and comprises: a temperature sensitive body that is disposed at the power transmission unit and changes a color with temperature; and a detection unit that detects the foreign object by detecting a change in the color.
    Type: Application
    Filed: August 19, 2019
    Publication date: December 15, 2022
    Applicant: IHI Corporation
    Inventors: Eiichi URUSHIBATA, Kenji NISHIMURA, Hideki NAGANO
  • Three-dimensional modeling device
    Patent number: 11524338
    Abstract: A three-dimensional modeling device includes a table supporting a powder material and a model created from the powder material, a processing section disposed so as to face the table and obtaining the model by processing the powder material, and a rotation unit causing the table to rotate relative to the processing section around a rotary axis. The processing section has a plurality of processing units disposed around the rotary axis. The processing units supply the powder material to the table, preheat the supplied powder material, and emit an energy beam to the preheated powder material.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: December 13, 2022
    Assignee: IHI CORPORATION
    Inventors: Miki Shinagawa, Yuichiro Nakayama
  • ELECTRIC MOTOR STATOR AND ELECTRIC MOTOR
    Publication number: 20220385123
    Abstract: Provided is a stator including a coil of a winding of a flat wire conductor, a stator core including a slot for housing a part of the coil, and a flow passage part through which a coolant flows, provided between a wall part of the slot and an outer surface of the coil facing the wall part. The extension shape of the flow passage part from an inlet to an outlet for the coolant changes along the axial direction of the stator core. The flow passage part is, for example, a concave part formed on the wall part of the slot.
    Type: Application
    Filed: August 8, 2022
    Publication date: December 1, 2022
    Applicant: IHI Corporation
    Inventors: Naoki SEKI, Fuminori SUZUKI
  • DAMAGE EVALUATION DEVICE AND DAMAGE EVALUATION METHOD
    Publication number: 20220381741
    Abstract: A damage evaluation device includes: a phased array probe that irradiates an ultrasonic signal from a surface of an inspection metal toward an inside of the inspection metal and detects a reflection signal reflected in a predetermined region inside the inspection metal; and an arithmetic processor. The arithmetic processor sets planes parallel to each other in an inspection region, calculates pixel data by quantifying the reflection signal from segments set in each of the planes; calculates a scattering degree of the pixel data, and evaluates damage of the inspection metal based on the scattering degree.
    Type: Application
    Filed: August 3, 2022
    Publication date: December 1, 2022
    Applicant: IHI CORPORATION
    Inventors: Yuuki NAGAI, Masahiro HATO, Hiroaki HATANAKA
  • CENTRIFUGAL COMPRESSOR
    Publication number: 20220381255
    Abstract: A centrifugal compressor includes: an impeller provided in a housing; a throttling portion provided in front of the impeller in the housing; an actuator rod connected to an actuator and including a plate portion including a plane at its end; and a connecting portion connected to the throttling portion and including a pair of projections facing each other across the plate portion in an axial direction of the actuator rod.
    Type: Application
    Filed: August 8, 2022
    Publication date: December 1, 2022
    Applicant: IHI Corporation
    Inventors: Atsushi YONEMURA, Ryota SAKISAKA
  • CENTRIFUGAL COMPRESSOR
    Publication number: 20220372977
    Abstract: A centrifugal compressor includes: a scroll housing including a scroll flow path; a shroud piece attached to the scroll housing at a position radially inside the scroll flow path and including a shroud portion that faces a compressor impeller in a radial direction; and a throttling portion arranged in a gap formed between the scroll housing and the shroud piece.
    Type: Application
    Filed: August 2, 2022
    Publication date: November 24, 2022
    Applicant: IHI Corporation
    Inventors: Takahiro UENO, Atsushi YONEMURA, Ryota SAKISAKA
  • Coating and method for forming the same
    Patent number: 11504738
    Abstract: A coating is formed on a surface of a base material of a furnace, and includes a base layer and a sliding material layer that is formed on a surface of the base layer and contains an oxide ceramic and a compound having a layered crystal structure. The sliding material layer causes the collided ashes to be slipped and facilitates the drop off of the adhered ashes. The base material forms a heat transfer tube or a wall surface of the furnace. The coating is also applied to a coal gasification furnace, a pulverized coal fired boiler, a combustion apparatus, or a reaction apparatus containing a furnace.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: November 22, 2022
    Assignees: IHI Corporation, TOCALO Co., Ltd
    Inventors: Naoki Sato, Nobuhiko Kubota, Koki Hamada, Tatsuo Suidzu, Kazuhiro Takeuchi
  • BEARING AND TURBOCHARGER
    Publication number: 20220364573
    Abstract: A semi-floating bearing (bearing) including: a main body, which has an annular shape, extends in a direction intersecting with a vertical direction, and has a shaft inserted through the main body; a radial bearing surface formed on an inner peripheral surface of the main body; and a plurality of oil supply grooves, which extend in an axial direction of the main body, are formed in the radial bearing surface at positions excluding a lowermost portion of the radial bearing surface in the vertical direction at intervals in a circumferential direction, and are arranged so as to be line-symmetric with each other with respect to a vertical axis in a cross section orthogonal to the axial direction of the radial bearing surface such that the interval between the oil supply grooves in the circumferential direction is the largest on a vertically lower side.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 17, 2022
    Applicant: IHI Corporation
    Inventors: Kuniaki IIZUKA, Ryohei KITAMURA, Hayata SAKAIDA, Kazuaki IWATA, Takehiko KATO
  • COMBUSTOR FOR ROCKET ENGINE
    Publication number: 20220364529
    Abstract: The combustor for a rocket engine includes a combustion room configured to cause a combustion reaction between a fuel and an oxidant, an injector configured to inject the fuel and the oxidant into the combustion room, and a nozzle skirt configured to inject combustion gas generated by the combustion reaction to an outside, and an inertance increasing portion configured to increase an equivalent inertance in a vibration equivalent circuit of the combustor for the rocket engine.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 17, 2022
    Applicant: IHI Corporation
    Inventors: Yasuhiro ISHIKAWA, Shinji ISHIHARA, Hatsuo MORI
  • MULTILOBE BEARING
    Publication number: 20220364592
    Abstract: A semi-floating bearing (multilobe bearing) including: an annular main body through which a shaft is inserted; and a radial bearing surface formed on an inner peripheral surface of the main body, the radial bearing surface including a plurality of arc surfaces having different curvature centers and disposed adjacent to each other in a circumferential direction of the main body, and a minimum distance Ra between a central axis of the shaft and the arc surface, a curvature radius Rb of the arc surface, and a radius Rs of the shaft satisfying relationships expressed by the following Formulas (1) and (2). Ra/Rs?1.001 . . . (1), (Rb?Ra)/0.9?(Rb?Rs)?(Rb?Ra)/0.6 . . . (2) provided that Ra is the minimum distance between the central axis of the shaft and the arc surface, Rb is the curvature radius of the arc surface, and Rs is the radius of the shaft.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 17, 2022
    Applicant: IHI Corporation
    Inventors: Yutaka UNEURA, Shunsuke NISHII, Hiroki MOCHIZUKI
  • SOLAR PANEL CLEANING SYSTEM AND CLEANING PATH GENERATION DEVICE
    Publication number: 20220368280
    Abstract: A solar panel cleaning system includes a detection traveling vehicle configured to travel on a solar panel and detect dirt on the solar panel, a map generation part configured to generate a dirt map including a dirt position of the dirt on the solar panel, a cleaning path generation part configured to generate a cleaning path for performing cleaning of the solar panel, and a cleaning traveling vehicle configured to travel on the solar panel on the basis of the generated cleaning path and perform cleaning of the solar panel.
    Type: Application
    Filed: May 2, 2022
    Publication date: November 17, 2022
    Applicant: IHI Corporation
    Inventor: Kenji NISHIMURA
  • CORRELATION DERIVING METHOD AND CORRELATION DERIVING DEVICE
    Publication number: 20220364722
    Abstract: Provided is a correlation deriving method including the steps of: generating coal ash by incinerating coal; generating sintered ash by heating the coal ash at a predetermined heating temperature within a range of a combustion temperature of a coal burning boiler; measuring hardness of the sintered ash; measuring an exhaust gas temperature exhibited when coal which is to have the hardness is burnt in the coal burning boiler; and deriving a correlation between the hardness and the exhaust gas temperature.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 17, 2022
    Applicants: IHI Corporation, IHI INSPECTION AND INSTRUMENTATION CO., LTD.
    Inventors: Hirotaka KAWABE, Kenjiro CHIE, Junichi SHIGETA
  • Welding method of diffusion bonded structure
    Patent number: 11498145
    Abstract: A welding method of a diffusion bonded structure in which the diffusion bonded structure formed by diffusion bonding metal parts to each other is bonded to another part by fusion welding includes a buffer layer forming step of forming a buffer layer in a welding region including a diffusion bonded joint of the diffusion bonded structure, the buffer layer having greater ductility than the diffusion bonded joint, and a welding step of bonding the welding region in which the buffer layer is formed to the another part by performing the fusion welding from above the buffer layer.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: November 15, 2022
    Assignee: IHI CORPORATION
    Inventors: Kunitaka Masaki, Rie Harada, Nagisa Hosoya, Takaaki Matsuoka, Yutaka Mizo